diff --git a/modules/ocl/src/opencl/arithm_add_scalar.cl b/modules/ocl/src/opencl/arithm_add_scalar.cl
index f908b89f5..671bd1295 100644
--- a/modules/ocl/src/opencl/arithm_add_scalar.cl
+++ b/modules/ocl/src/opencl/arithm_add_scalar.cl
@@ -70,7 +70,7 @@
 
 #if defined (FUNC_ABS)
 #define EXPRESSION \
-    T value = (src1[src1_index] > 0) ? src1[src1_index] : -src1[src1_index]; \
+    T value = src1[src1_index] > (T)(0) ? src1[src1_index] : -src1[src1_index]; \
     dst[dst_index] = value;
 #endif
 
diff --git a/modules/ocl/test/test_arithm.cpp b/modules/ocl/test/test_arithm.cpp
index db05f4556..a5d4e08db 100644
--- a/modules/ocl/test/test_arithm.cpp
+++ b/modules/ocl/test/test_arithm.cpp
@@ -462,7 +462,7 @@ TEST_P(Min, Mat)
         random_roi();
 
         dst1_roi = cv::min(src1_roi, src2_roi);
-        cv::ocl::min(gsrc1, gsrc2, gdst1);
+        cv::ocl::min(gsrc1_roi, gsrc2_roi, gdst1_roi);
         Near(0);
     }
 }
@@ -476,7 +476,7 @@ TEST_P(Max, Mat)
         random_roi();
 
         dst1_roi = cv::min(src1_roi, src2_roi);
-        cv::ocl::min(gsrc1, gsrc2, gdst1);
+        cv::ocl::min(gsrc1_roi, gsrc2_roi, gdst1_roi);
         Near(0);
     }
 }
@@ -492,7 +492,7 @@ TEST_P(Abs, Abs)
         random_roi();
 
         dst1_roi = cv::abs(src1_roi);
-        cv::ocl::abs(gsrc1, gdst1);
+        cv::ocl::abs(gsrc1_roi, gdst1_roi);
         Near(0);
     }
 }
@@ -1466,7 +1466,7 @@ TEST_P(Norm, NORM_L1)
             const double cpuRes = cv::norm(src1_roi, src2_roi, type);
             const double gpuRes = cv::ocl::norm(gsrc1_roi, gsrc2_roi, type);
 
-            EXPECT_NEAR(cpuRes, gpuRes, 0.1);
+            EXPECT_NEAR(cpuRes, gpuRes, 0.2);
         }
 }